BU9890GUL-W ROHM Co. Ltd., BU9890GUL-W Datasheet - Page 7

• Manufacturer Part Number: BU9890GUL-W
• Description: 4k?8 Bit Electrically Erasable Prom
• Manufacturer: ROHM Co. Ltd.

◇SYNCHRONOUS DATA TIMING
◇WRITE CYCLE TIMING
○SDA data is latched into the chip at the rising edge of SCL clock.
○Output date toggles at the falling edge of SCL clock.
SDA
(OUT)
SCL
SDA
(IN)
SCL
SDA
SCL
SDA
WRITE DATA(n)
t
SU
:STA
t
t
HD
BUF
:STA
D0
Fig.-5 WRITE CYCLE TIMING
Fig.-4 SYNCHRONOUS DATA TIMING
t
HD
ACK
:STA
START BIT
t
R
t
STOP CONDITION
SU
:DAT
REV. A
t
t
PD
t
F
LOW
t
WR
t
SU
:STO
t
START CONDITION
HIGH
t
DH
t
HD
:DAT
STOP BIT
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